Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU52197
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3472
CWE-ID:
CWE-191 - Integer underflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer underflow within the XChangeFeedbackControl() function. A local user can run a specially crafted program to trigger integer underflow and escalate privileges on the system.
Update the affected package xorg-x11-server to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Workstation Extension: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Development Tools: 15-SP2 - 15-SP3
SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3
xorg-x11-server-extra-debuginfo: before 1.20.3-22.5.25.1
xorg-x11-server-extra: before 1.20.3-22.5.25.1
xorg-x11-server: before 1.20.3-22.5.25.1
xorg-x11-server-sdk: before 1.20.3-22.5.25.1
xorg-x11-server-wayland-debuginfo: before 1.20.3-22.5.25.1
xorg-x11-server-wayland: before 1.20.3-22.5.25.1
xorg-x11-server-debugsource: before 1.20.3-22.5.25.1
xorg-x11-server-debuginfo: before 1.20.3-22.5.25.1
External linkshttp://www.suse.com/support/update/announcement/2021/suse-su-20211182-1/
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.